RT Journal Article SR Electronic T1 Nitrous oxide stimulation of locomotor activity: evidence for an opiate-like behavioral effect. JF Journal of Pharmacology and Experimental Therapeutics JO J Pharmacol Exp Ther FD American Society for Pharmacology and Experimental Therapeutics SP 304 OP 308 VO 209 IS 2 A1 M D Hynes A1 B A Berkowitz YR 1979 UL http://jpet.aspetjournals.org/content/209/2/304.abstract AB